package com.hzh.blog.common.utils;

/**
 * @Author 1984
 * @Version v1.0
 * @Creation date: 2011-3-1
 * @Description：
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * 与系统相关的一些常用工具方法.
 * 
 * @author stephen
 * @version 1.0.0
 */
public class SystemTool {
	
	private static String classPath = null;
	static{
		classPath = SystemTool.class.getResource("/").getPath();
	}
	
	public static String getClassPath(){
		return classPath;
	}
	
	public static String getWebInfPath(){
		return classPath.substring(0,classPath.indexOf("classes"));
	}
	
	public static String getWebRootPath(){
		return getWebInfPath().substring(0,getWebInfPath().indexOf("WEB-INF"));
	}
	/**
	 * 获取当前操作系统名称. return 操作系统名称 例如:windows xp,linux 等.
	 */
	public static String getOSName() {
		return System.getProperty("os.name").toLowerCase();
	}

	/**
	 * 获取unix网卡的mac地址. 非windows的系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法.
	 * 
	 * @return mac地址
	 */
	public static String getUnixMACAddress() {
		String mac = null;
		BufferedReader bufferedReader = null;
		Process process = null;
		try {
			process = Runtime.getRuntime().exec("ifconfig eth0");// linux下的命令，一般取eth0作为本地主网卡
																	// 显示信息中包含有mac地址信息
			bufferedReader = new BufferedReader(new InputStreamReader(
					process.getInputStream()));
			String line = null;
			int index = -1;
			while ((line = bufferedReader.readLine()) != null) {
				index = line.toLowerCase().indexOf("hwaddr");// 寻找标示字符串[hwaddr]
				if (index >= 0) {// 找到了
					mac = line.substring(index + "hwaddr".length() + 1).trim();// 取出mac地址并去除2边空格
					break;
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (bufferedReader != null) {
					bufferedReader.close();
				}
			} catch (IOException e1) {
				e1.printStackTrace();
			}
			bufferedReader = null;
			process = null;
		}

		return mac;
	}

	/**
	 * 获取widnows网卡的mac地址.
	 * 
	 * @return mac地址
	 */
	public static String getWindowsMACAddress() {
		String mac = null;
		BufferedReader bufferedReader = null;
		Process process = null;
		try {
			process = Runtime.getRuntime().exec("ipconfig /all");// windows下的命令，显示信息中包含有mac地址信息
			bufferedReader = new BufferedReader(new InputStreamReader(
					process.getInputStream()));
			String line = null;
			int index = -1;
			while ((line = bufferedReader.readLine()) != null) {
				index = line.toLowerCase().indexOf("physical address");// 寻找标示字符串[physical
																		// address]
				if (index >= 0) {// 找到了
					index = line.indexOf(":");// 寻找":"的位置
					if (index >= 0) {
						mac = line.substring(index + 1).trim();// 取出mac地址并去除2边空格
					}
					break;
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (bufferedReader != null) {
					bufferedReader.close();
				}
			} catch (IOException e1) {
				e1.printStackTrace();
			}
			bufferedReader = null;
			process = null;
		}

		return mac;
	}

	
	public static String getMAC(String ipAddress) {
		/*if (ipAddress.equalsIgnoreCase("localhost")
				|| ipAddress.equalsIgnoreCase("127.0.0.1")) {
			return getLocalMAC();
		}
		String address = "ERROR";
		String os = System.getProperty("os.name");
		if (os != null && os.startsWith("Windows")) {
			try {
				String command = "cmd.exe /c nbtstat -a " + ipAddress;
				Process p = Runtime.getRuntime().exec(command);
				BufferedReader br = new BufferedReader(new InputStreamReader(
						p.getInputStream()));
				String line;
				while ((line = br.readLine()) != null) {
					if (line.indexOf("MAC") > 0) {
						int index = line.indexOf("=");
						index += 2;
						address = line.substring(index);
						break;
					}
				}
				br.close();
				return address.trim();
			} catch (IOException e) {
			}
		}*///晨旭修改
		return GetMacFromIp.getMac(ipAddress);
	}

	private static String getLocalMAC() {
		String os = getOSName();
		//System.out.println(os);
		if (os.startsWith("windows")) {
			// 本地是windows
			String mac = getWindowsMACAddress();
			return mac;
		} else {
			// 本地是非windows系统 一般就是unix
			String mac = getUnixMACAddress();
			return mac;
		}
	}
	
	/**
	 * 测试用的main方法.
	 * 
	 * @param argc
	 *            运行参数.
	 */
	public static void main(String[] argc) {
		System.out.println(getClassPath());
		System.out.println(getWebInfPath());
	}
}